1219472210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{28499}}^1$

素因数の和:28906

約数の個数: 32

約数和(自身を含む): 2400840000

約数和(自身を除く): 1181367790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 389, 778, 1945, 3890, 4279, 8558, 21395, 28499, 42790, 56998, 142495, 284990, 313489, 626978, 1567445, 3134890, 11086111, 22172222, 55430555, 110861110, 121947221, 243894442, 609736105, 1219472210]

約数ペア:

[(1, 1219472210), (2, 609736105), (5, 243894442), (10, 121947221), (11, 110861110), (22, 55430555), (55, 22172222), (110, 11086111), (389, 3134890), (778, 1567445), (1945, 626978), (3890, 313489), (4279, 284990), (8558, 142495), (21395, 56998), (28499, 42790)]